NETWORK REQUIREMENTS/SPECIFICATIONS
2-4
FRONT PANEL INDICATORS (Cont..)
NOTE:
There is one Receive and Port OK LED for each AUI Port, Ports 1
and 2, and the BNC Port, Port 3.
RCV (Receive)
When lit, this LED indicates the IRM is
repeating a data packet received from
the segment connected to the port
(yellow indicator).
POK (Port OK
)
When lit, this LED indicates that the
Network Interface Chip associated
with the port has passed an internal
Loop Back Test and is ready for
transmission (green indicator).
CONSOLE PORT
Type:
Standard 9 pin RS232 Port
Pin
1 Not Used
Pin 6 Not Used
2 Transmit (TXD)
7 Ready to Send (RTS)
3 Receive (RXD)
8 Clear to Send (CTS)
4 Not Used
9 Not Used
5 Logic Ref.
AUI PORT
Type:
15 position D type receptacle
Pin 1 Logic Ref.
Pin 9 Collision -
2 Col
10 Transmit -
3 Tr
11 Logic Ref.
4 Logic Ref.
12 Receive -
5 R
13 Power (+12 Vdc)
6 Power Return
14 Logic Ref.
7 No Connection
15 No Connection
8 Logic Ref.
Connector Shell:
Protective Ground
